I mostly handload, but periodically, at the range where I shoot we are required to requalify at 25 yards on the pistol range for the caliber that we shoot. When we do that we are required to use standard factory ammo and must score 60 or above to prove we have a basic degree of accuracy. It is never a problem, but something they do to say to their insurance company and neighbors that they have standards for their members.
Most of the factory stuff is pretty tame, with the exception of some federal "jacketed, exposed lead flat pointed" 158 gr ammo that seems as hot or hotter than my hotest 357 Mag hand loads. The stuff is not hollow point but flat pointed with a lot of lead sticking out beyond the jacketing. I still have about 20 rounds of it. It is as hot or hotter than when I load using Alliant 2400 at a little above "max" load.
Since it is factory ammo and not rated +P your colt clone should be ok as long as you don't shoot it every week and it is really a 357 mag revolver.
The classic, historic 357 hunting load is called a Keith Bullet of about 170 grain with hardened lead a semi-wadcutter configuration.
Good luck